215055612011 has 8 divisors (see below), whose sum is σ = 222557662800. Its totient is φ = 207559317280.

The previous prime is 215055611963. The next prime is 215055612047. The reversal of 215055612011 is 110216550512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 215055612011 - 2¹⁴ = 215055595627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215055612311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1362920 + ... + 1512501.

It is an arithmetic number, because the mean of its divisors is an integer number (27819707850).

Almost surely, 2^215055612011 is an apocalyptic number.

215055612011 is a deficient number, since it is larger than the sum of its proper divisors (7502050789).

215055612011 is a wasteful number, since it uses less digits than its factorization.

215055612011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878029.

The product of its (nonzero) digits is 3000, while the sum is 29.

The spelling of 215055612011 in words is "two hundred fifteen billion, fifty-five million, six hundred twelve thousand, eleven".